* ATI Catalystâ„¢ support for DirectCompute 10.1This release of ATI Catalystâ„¢ provides full support for DirectCompute 10.1 for the ATI Radeonâ„¢ HD 4800 Series, ATI Radeonâ„¢ HD 4700 Series for both single card and ATI CrossFireXâ„¢ supported configurations.

* The following performance gains are noticed with this release of Catalystâ„¢ 9.12:- 3DMark Vantage â€“ overall performance improves as much as 9% on ATI Radeon HD 5800 and ATI Radeon HD 5700 series products. GT1 â€“ Jane Nash performance improves as much as 15% and FT4 â€“ GPU Cloth improves up to 15%- S.T.A.L.K.E.R. â€“ Call of Pripyat â€“ Performance improves as much as 6% on single card configurations

# All Systems

* Confirmation dialog box is now displayed when extending the display through Catalyst Control Center* Catalyst Control Center: all supported resolutions are now displayed in the Desktop Properties panel* A confirmation dialog is now displayed when setting up an Eyefinity group

# Windows XP

* Tom Clancy's HAWX: VPU recover no longer occurs in some CrossFire configurations* In some Clone Mode configuration with Windows XP, stretched desktop is now functional